diff --git a/commands/setprefix.ts b/commands/setprefix.ts
new file mode 100644
index 0000000..08d034b
--- /dev/null
+++ b/commands/setprefix.ts
@@ -0,0 +1,34 @@
+import { Message, Client } from 'discord.js';
+import sqlite3 from 'sqlite3';
+require('dotenv').config();
+
+module.exports = {
+  aliases: [],
+  description: 'Change le préfixe du bot.',
+  emote: '⏱️', 
+  utilisation: '',
+
+  async execute(message: Message, args: string[], client: Client) {
+    const dbName = process.env.DB_NAME || 'db.db';
+    let db = new sqlite3.Database(dbName, sqlite3.OPEN_READWRITE | sqlite3.OPEN_CREATE, (err: any) => {
+      if (err) {
+        console.error(err.message);
+      }
+    });
+
+    const prefix = args[0] || '!!';
+    db.run('UPDATE config SET value = ? WHERE name = "prefix"', [prefix], (err: any) => {
+      if (err) {
+      console.error(err.message);
+      }
+    });
+
+    db.close((err) => {
+      if (err) {
+        console.error(err.message);
+      }
+    });
+
+    message.edit(`Le préfixe a été changé pour \`${prefix}\``);
+  }
+};
\ No newline at end of file
diff --git a/events/ready.ts b/events/ready.ts
index aa2a7c4..90357c7 100644
--- a/events/ready.ts
+++ b/events/ready.ts
@@ -55,9 +55,6 @@ module.exports = {
       rows.forEach((row: any) => {
         if (row.name === 'autovoc') {
           voc = row.value || 'None';
-          if (voc !== 'None') {
-            joinVC(client, voc);
-          }
         }
       });
     });
diff --git a/fonctions/addBaseInDB.ts b/fonctions/addBaseInDB.ts
index 429caea..1b758f7 100644
--- a/fonctions/addBaseInDB.ts
+++ b/fonctions/addBaseInDB.ts
@@ -9,18 +9,24 @@ module.exports = function addBaseInDB(client: any) {
     }
   });
 
-  const prefix = process.env.DEFAULT_PREFIX || '!!';
-  db.run('INSERT OR IGNORE INTO config(name, value) VALUES(?, ?)', ['prefix', prefix], (err) => {
-    if (err) {
-      console.error(err.message);
-    }
-  });
+  db.serialize(() => {
+    db.run('BEGIN TRANSACTION');
 
-  const voc = 'None';
-  db.run('INSERT OR IGNORE INTO config(name, value) VALUES(?, ?)', ['autovoc', voc], (err) => {
-    if (err) {
-      console.error(err.message);
-    }
+    const prefix = process.env.DEFAULT_PREFIX || '!!';
+    db.run('INSERT OR IGNORE INTO config(name, value) VALUES(?, ?)', ['prefix', prefix], (err) => {
+      if (err) {
+        console.error(err.message);
+      }
+    });
+
+    const voc = 'None';
+    db.run('INSERT OR IGNORE INTO config(name, value) VALUES(?, ?)', ['autovoc', voc], (err) => {
+      if (err) {
+        console.error(err.message);
+      }
+    });
+
+    db.run('COMMIT');
   });
 
   db.close((err) => {